Please do like this 1st, and then you can understand about this product.
Do a patch test on leg first day and on your body ( may be chest or stomach) second day. If both the places are good in the third day. Simply go for it .
You can use it in your body as well. Its perfect no issues . Just make sure you apply and remove it smoothly rather then scratching hard while removing. Just follow the EXACT process and steps mentioned in the box and sheet.
Leaving for 5-6 minutes is enough. Go for it.
( Not recommended for private parts)